<template>
  <el-dialog
    title="新增员工"
    :visible="dialogVisible"
    @close="closeDialog"
    @click.native="isShow = false"
  >
    <!-- 表单 :model :rules  prop  v-model -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option
            v-for="item in hireTpe"
            :key="item.id"
            :label="item.value"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <!-- disabled
           readonly
           maxlength="0"
           :value=""
        -->
        <el-input
          v-model="formData.departmentName"
          style="width:50%"
          maxlength="0"
          placeholder="请选择部门"
          @click.native.stop="showDepts"
        />
        <!-- 树形结构 -->
        <div v-if="isShow" class="treeBox">
          <el-tree
            :data="treeData"
            :props="{ label: 'name' }"
            @node-click="handleClick"
          />
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="closeDialog">取 消</el-button>
      <el-button type="primary" @click="addEmployee">确 定</el-button>
    </span>
  </el-dialog>
</template>

<script>
import employeeMenu from '@/api/constant/employees'
import { reqGetDepartments } from '@/api/departments'
import { tranListToTreeData } from '@/utils'
import { reqAddEmployee } from '@/api/employees'
export default {
  props: {
    dialogVisible: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      // 表单关联的数据
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      // 校验规则
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      hireTpe: employeeMenu.hireType, // 聘用形式数组
      treeData: [], // 部门列表
      isShow: false
    }
  },
  methods: {
    // 通知父组件关闭对话框
    closeDialog() {
      this.$emit('update:dialogVisible', false)
      // 重置表单
      this.$refs.addForm.resetFields()
    },
    async showDepts() {
      this.isShow = !this.isShow // 点击一次显示再点击一次隐藏
      if (!this.treeData.length) { // 优化: 请求只发一次
        const { data } = await reqGetDepartments()
        this.treeData = tranListToTreeData(data.depts, '')
      }
    },
    // 树形节点点击触发的方法
    handleClick(data) { // data是点击的树形节点的数据对象
      // 将点击的树形节点的name 赋值给 formData.departmentName
      // 禁止有子部门的部门被选中
      if (data.children.length) return this.$message.warning('请明确要选择的部门')
      this.formData.departmentName = data.name
      // 选择完毕后关闭部门列表
      this.isShow = false
    },
    // 新增员工
    addEmployee() {
      // 1. 预校验
      this.$refs.addForm.validate(async boo => {
        if (boo) {
          // 2. 发送新增的请求
          await reqAddEmployee(this.formData)
          // 3. 关闭对话框
          this.closeDialog()
          // 4. 通知父组件重新获取一次员工列表
          this.$emit('reload')
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.treeBox{
  position: absolute;
  top: 50px;
  left: 0;
  border: 1px solid #ccc;
  width:50%;
  z-index: 9999;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 1px 1px 3px #ddd;
}
</style>
